12120012101122 has 4 divisors (see below), whose sum is σ = 18180018151686. Its totient is φ = 6060006050560.

The previous prime is 12120012101107. The next prime is 12120012101173. The reversal of 12120012101122 is 22110121002121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12083278162201 + 36733938921 = 3476101^2 + 191661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12120012101096 and 12120012101105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030003025279 + ... + 3030003025282.

Almost surely, 2^{12120012101122} is an apocalyptic number.

12120012101122 is a deficient number, since it is larger than the sum of its proper divisors (6060006050564).

12120012101122 is an equidigital number, since it uses as much as digits as its factorization.

12120012101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060006050563.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120012101122 its reverse (22110121002121), we get a palindrome (34230133103243).

The spelling of 12120012101122 in words is "twelve trillion, one hundred twenty billion, twelve million, one hundred one thousand, one hundred twenty-two".